PREP（プレップ） - 総合防災アプリ App Store ranking & ratings history
PREP（プレップ） - 総合防災アプリ is a free iOS app in the Weather category, published by RC Solution Co. It was first released on Nov 5, 2010, 16 years ago. Its developer shipped 5 updates in the 90 days through Nov 13, 2026; the latest, version 4.15.4, came out on Oct 29, 2026.
PREP（プレップ） was in the top 50 of the App Store Top Free Weather chart in Japan on 22 of the last 30 days, peaking at #9 on Oct 16, 2026. It stood at #47 on Nov 13, 2026, down 28 places from a week earlier. On that day it appeared in the same chart in 12 countries. In Japan it holds a 2.30 average across 504 ratings, 1 more than a week earlier.
Its sharpest climb in the 90 days took it from #141 to #9 between Oct 10 and Oct 16, 2026, 3 days after version 4.15.3 came out. Its sharpest fall went from #11 to #133 between Oct 17 and Oct 24, 2026. On Nov 13, 2026, it also stood at #13 in the Top Grossing Weather chart in Japan.
Charts checked every day · no missing days in the record
Latest data: · updated every morning
PREP（プレップ） - 総合防災アプリ downloads and revenue in Japan · October 2026
Estimates for this country only, not worldwide
iPhone & iPad downloads
Japan · Oct 2026
iPhone & iPad revenue
Japan · Oct 2026
PREP（プレップ） - 総合防災アプリ ranking: Top Free Weather, Japan, last 30 days
1 = top of the chart · best rank recorded each day
PREP（プレップ） - 総合防災アプリ App Store ranking history, GameQuant, data through Nov 13, 2026, https://gamequant.io/app/ios/398954883/prep-%E3%83%97%E3%83%AC%E3%83%83%E3%83%97-%E7%B7%8F%E5%90%88%E9%98%B2%E7%81%BD%E3%82%A2%E3%83%97%E3%83%AA
<iframe src="https://gamequant.io/embed/ios/398954883?country=jp&range=30" width="640" height="400" style="max-width:100%;border:0" loading="lazy" title="PREP（プレップ） - 総合防災アプリ: rank chart by GameQuant"></iframe><br><small>Source: <a href="https://gamequant.io/app/ios/398954883/prep-%E3%83%97%E3%83%AC%E3%83%83%E3%83%97-%E7%B7%8F%E5%90%88%E9%98%B2%E7%81%BD%E3%82%A2%E3%83%97%E3%83%AA">GameQuant</a></small>
Charts and individual figures are free to reuse under CC BY 4.0: credit GameQuant and link to this page. Embed shows the live chart with a range switch.
Rating distribution · Japan
share of all ratings · Nov 13, 2026
| 5 stars | 21% | |
|---|---|---|
| 4 stars | 8% | |
| 3 stars | 7% | |
| 2 stars | 8% | |
| 1 star | 56% |
PREP（プレップ） - 総合防災アプリ ranking by country
Top Free · Weather · best rank on Nov 13, 2026
| Country | Rank | 7-day change | Best, 90 days | Ratings |
|---|---|---|---|---|
| Japan |
47 | down 28 | 9 · Oct 16 | 504 |
Every tracked country, every chart and category, and the full history are in the licensed dataset.
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<a href="https://gamequant.io/app/ios/398954883/prep-%E3%83%97%E3%83%AC%E3%83%83%E3%83%97-%E7%B7%8F%E5%90%88%E9%98%B2%E7%81%BD%E3%82%A2%E3%83%97%E3%83%AA"><img src="https://gamequant.io/badge/ios/398954883.svg" alt="PREP（プレップ） - 総合防災アプリ App Store ranking on GameQuant" width="258" height="64"></a>
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